2026 ICD-10-CM Diagnosis Code Q24.1Levocardia

ICD-10-CM Codes›Q00-Q99›Q20-Q28›Q24

ICD-10-CM Q24.1
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q24.1 is a billable ICD-10-CM diagnosis code for levocardia. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 306 through 307. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Cardiac and circulatory congenital anomalies.

Code Identity

ICD-10-CM Code
Q24.1
Billable Status
Yes — Valid for Submission
Code Describes
Levocardia
Short Description
Levocardia
Same as the full description in the CMS dataset.
Parent Code
Q24
Other congenital malformations of heart

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ20-Q28Congenital malformations of the circulatory system
CategoryQ24Other congenital malformations of heart
This CodeQ24.1Levocardia

Present on Admission (POA)Billing

Q24.1 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Levocardia(isolated)

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MAL001
Cardiac and circulatory congenital anomalies
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Levocardia

    congenital abnormalities in which the heart is in the normal position (levocardia) in the left side of the chest but some or all of the thorax or abdomen viscera are transposed laterally (situs inversus). it is also known as situs inversus with levocardia, or isolated levocardia. this condition is often associated with severe heart defects and splenic abnormalities such as asplenia or polysplenia.

Patient EducationClinical

Congenital Heart Defects

Congenital heart defects (CHDs) are problems with the structure of the heart. "Congenital" means that that the problems are present at birth. These defects happen when a fetus's heart doesn't develop normally during pregnancy. Congenital heart defects are the most common type of birth defect.

The full article covers:

  • What are congenital heart defects?
  • What causes congenital heart defects?
  • Who is more likely to have a baby with a congenital heart defect?
  • What are the symptoms of congenital heart defects?
  • What other problems do congenital heart defects cause?
  • How are congenital heart defects diagnosed?
  • What are the treatments for congenital heart defects?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert Q24.1 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
746.87 Malposition of heart
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q24.1Overview

Is Q24.1 (Other congenital malformations of heart) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report levocardia on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does Q24.1 group to?

When levocardia is the principal diagnosis on an inpatient stay, it groups to MS-DRG 306, 307, with relative weights from 0.9132 to 1.5758 depending on complications. Higher weights mean higher Medicare reimbursement.

Is Q24.1 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for levocardia on inpatient claims.

What is the ICD-9 equivalent of Q24.1?

Under the General Equivalence Mappings, levocardia converts to ICD-9-CM 746.87 (malposition of heart). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.